from requests_futures.sessions import FuturesSession


class Downloader(object):
    """
    url Downloader class
    urls example:
        urls = {
            'image1':url1,
            'image2':url2,
            'image3':url3
        }
    """
    def __init__(self, *args, **kwargs):
        if args:
            self.urls = args[0]
        elif kwargs:
            self.urls = kwargs.get('urls', '')
        else:
            self.urls = ''
        self.saver = kwargs.get('saver', object)()
    def save(self):
        
    